2026-08-01 crawl · observed, not inferred

Technology used by chicago.gov

Welcome to the official City of Chicago Website. The source for information about City services, departments, programs and initiatives, and officials for Chicago residents, businesses, and visitors.

15
technologies detected
city of chicago
company
10001+
employees
government administration
industry
united states
location

Recent changes

2026-08-01 dropped Pythonprovisional
2026-08-01 dropped gunicornprovisional
2026-08-01 dropped Google Hosted Librariesprovisional
2026-08-01 dropped Varnishprovisional
2026-08-01 dropped GitHub Pagesprovisional
2026-08-01 dropped Fastlyprovisional
2026-08-01 dropped JSSprovisional
2026-08-01 dropped Google Cloud CDNprovisional
2026-08-01 dropped Google Cloudprovisional
2026-06-01 dropped gunicornprovisional
2026-06-01 dropped Google Cloudprovisional
2026-06-01 dropped GitHub Pagesprovisional

Full detected stack

Everything detected on this domain in the latest monthly crawl, grouped by what it does. marks when we first observed it — no later than that date, not necessarily when they adopted it. Faded dates were seen in fewer than four crawls.

CDN
CloudflareMay 2022jsDelivrJan 2021cdnjsOct 2021
Miscellaneous
Open GraphSept 2022PopperApr 2022HTTP/3Nov 2023
UI frameworks
USWDSOct 2021Bootstrap4.4.1Feb 2019
Analytics
SiteimproveFeb 2023Google AnalyticsFeb 2019
JavaScript libraries
jQuery3.4.1Feb 2019Flickity2.2.2Apr 2021
Webmail
Apple iCloud MailJan 2026
Video players
YouTubeMay 2020
Web servers
Apache HTTP ServerDec 2022
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